Accommodations: Many hotels reduce rates from 10% to 50% during the off-season, according to the 24-nation European Travel Commission. Many of the best rates are on weekends in big cities when demand from business travelers is light.
Among the reductions: 20% to 30% off hotel rates in Belgium during January and February, up to 20% off in Greece in winter, up to 20% off in Amsterdam in winter, lower weekend rates in France and Denmark, up to 20% off in Portugal in winter and spring and 30% to 50% off in Yugoslavia from November to April.
Coming events: The winter cultural calendar, compiled by the European Travel Commission, is full.
Among the big events:
Paris inaugurates the first full season of its new opera house, Opera de la Bastille, Nov. 13 with a production of "Otello," starring Placido Domingo.
Salzburg marks the 200th anniversary of the death of Mozart with a production of his opera "The Magic Flute," as well as a series of concerts, recitals and chamber music performances, Jan. 25 to Feb. 2.